Romain Pellerin's Blog

England is so much more than just England.

Update: this article was updated in 2018 and 2024, following recent trips to the USA.

This is a draft article.

This is a draft article about airlines I got to fly with.

General Stack Overflow: The Architecture - 2016 Edition Scalability and distributed systems How Twitter Handles 3,000 Images Per Second An introduction to distributed systems The Infrastructure Behind Twitter: Scale

The above is a video from my trip there.

During the last 12 months, I've had the chance to travel quite a lot (The Netherlands, Belgium, UK, US, South Korea, Hong-Kong, Japan).

Here is a list of all the websites I subscribed to.

gs is likely already installed. pdftk can be installed using sudo aptitude install pdftk. pdftk is not recommended because of its old and outdated PDF engine. pdfjam is part of the LaTeX distribution (sudo aptitude install texlive-full).

Liberate Your Device!

I have spent the last few months trying to "fix my life".

I am writing this here for posterity.

I recently faced quite a challenging problem.

Update January 12, 2017 During my stay in South Korea, we also went to Busan (we slept at Kimchee Guesthouse which I highly recommend).

Here is an old document I created a while ago.

Today marks a new beginning: I'm switching to Debian 8.

Over the last couple of years, I've spent quite a lot of time fine-tuning my prompt.

-acodec is an alias for -c:a which is an alias for -codec:a (audio stream).

First, let's start with the basics.

"Si !

Everything you have ever wanted to know about GNU/Linux plus some troubleshooting tips I learned the hard way.

Writing any kind of profesionnal document in English is not a straightforward thing, especially if it's not something you do on a regular basis.

Learning a foreign language is not easy whatsoever.

This brief article solely contains a few lines of commands, to perform pentesting or network monitoring.

First of all, I wish you a Happy New Year.

Here are some resources.

Here are some useful links about Java.

Here are some useful resources for Android development.

How Elon Musk and Y Combinator Plan to Stop Computers From Taking Over Theoretical Motivations for Deep Learning A Visual Introduction to Machine Learning The AI Revolution: The Road to Superintelligence How does Shazam work The Anatomy of a Large-Scale H…

As 2015 is slowly coming to an end, let's try to shape the state of the global smartphone market share.

General CONCEPTION DE BASES DE DONNÉES Why SQL is neither legacy, nor low-level, nor difficult, nor the wrong place for (business) data logic, but simply awesome!

Functional programming is the new hotness... or not Functional programming, or FP to its friends, is a quite old paradigm, but still very little used.

Dates Use date-fns.

Create your documentation Read the Docs Real world documentations All the documentations about EVERYTHING (DevDocs) All the cheatsheets about EVERYTHING (OverAPI) Zeal: offline documentation browser for software developers

TL;DR: see the bottom.

After having experienced software development in many languages, from desktop programs to mobile applications and web sites, comes a moment when I felt compelled to standardize my software development process.

Understanding memory management can be a bit difficult for beginners.

Since I graduated from High School, I've had the chance to attend a lot of presentations (talks, conferences, lectures), given either by students to teachers, or by some non-student people.

Here are two talks about Git I gave in the last two years, at HumanTalks Compiègne.

The past decade offered us a bunch of high-quality TV series.

This article is mainly aimed at junior software engineers.

When I need to learn a programming language quickly, or just recall it, I often use a few tips, very simple.

Recently, since I was looking for a 6-month internship in software development, I applied to many US companies.